phil >> this just in -- arizona senator john mccain defending a controversial tweet about iranian's president. he says it was just a joke. on twitter today -- the president mahmoud ahmadinejad to a monkey. mocking his declaration that fee he would be willing to be the first iranian sent into space. mccain tweeted: "so ahmadinejad wants to be first iranian in space - wasn't he just there last week?" >> pam: the post included a link to an article from last week on iran's attempt to launch a monkey into space. after catching some backlash, mccain tweeted another message: "lighten up folks, can't everyone take a joke?" >> pam: developing right now -- police trying to figure out why a man at a texas gun range shot and killed two men. one of the victims was a navy seal. -- at this hour a suspect is behind bars. former navy seal chris kyle known for his record number of kills as a sniper. and fellow veteran chad littlefield were shot and killed saturday at a gun range on the rough creek lodge and resort in glen rose, texas. investigators say a hunting guide found their bodies. police say this man. e